php header forwarding issue using Ajax - php

Question

Form:-
<form name="form">
<div class="formfieldContainer">
<label> Email :</label>
<div class="login_wrapper loginContainer">
<span> </span>
<input type="email" id="email" required name="user_email" autofocus="autofocus" placeholder="Enter Email Address"/>
</div>
</div>
<div class="formfieldContainer">
<label> Password :</label>
<input type="password" name="user_password" placeholder="Enter Password"/>
</div>
<input type="button" name= "submit" value="submit" id="submit_login"/>
</form>
AJAX:-
$("#submit_login").click(function(){
var username=$('input[name=user_email]').val();
var password=$('input[name=user_password]').val();
$.ajax({
type: "POST",
url: "newExam.php",
data:{name: username,
pwd: password},
cache: false,
success: function(dataa) {
if(dataa)
{
console.log(dataa);
if(dataa==0)
{ $('form').effect( "shake" ); $('p.error').show(); $("#submit_login").val('Login')
alert('nodata');
}
else if(dataa==1){
window.location.href="user.php";
}
}
}
});// ajax
});
PHP:-
<?php
include('db.php');
$email_php = $_POST['name'];
$pwd_php=$_POST['pwd'];
$sql = "select name from user where email='$email_php' and password='$pwd_php'";
$result = mysqli_query($conn,$sql);
$num_rows= mysqli_num_rows($result);
if($num_rows>0){
$_SESSION['login_user']= $email_php;
echo '1';
}
else{
echo '0';
}
?>
I need the page to redirect to user.php when logged in successfully. But i am getting the following error:
Notice: Undefined index: name in C:\xampp\htdocs\demo\newExam.php on line 3
Notice: Undefined index: pwd in C:\xampp\htdocs\demo\newExam.php on line 4
How to overcome it?

Answer 1

Yo should be redirecting it from php page (using headers)instead of using window.location.href

Answer 2

You can use this method if you don't want to use php.
$.extend( {
redirectPost: function(location, args)
{
var form = '';
$.each( args, function( key, value ) {
form += '<input type="hidden" name="'+key+'" value="'+value+'">';
});
$('<form action="'+location+'" method="POST">'+form+'</form>').submit();
} });
Usage
$.redirectPost("user.php", {'key1': 'data1', 'key2': 'data2'});
Credit - https://gist.github.com/aabril/e6b96379ab0eb151a179